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Generic mainspring for Audemars Piguet Calibre 3120 automatic movement. Restores original power reserve and reliable performance. Aftermarket replacement for worn or broken original springs.
Precision‑wound for 3120 barrel – exact fit.
High‑grade alloy steel – durable, fatigue‑resistant.
Restores 60‑hour power reserve and stable amplitude.
Drop‑in replacement – no movement modification.
| Parameter | Value |
|---|---|
| Compatible caliber | Audemars Piguet 3120 |
| Power reserve | 60 hours |
| Frequency | 21,600 vph (3 Hz) |
| Material | High‑grade alloy steel |
| Type | Aftermarket |
Replace worn/broken mainspring during full service of Calibre 3120.
Suitable for Royal Oak, Royal Oak Offshore, and Jules Audemars models.
Professional watch repair only.
Q1: Genuine Audemars Piguet part? No, generic aftermarket.
Q2: Which calibers fit? AP 3120 only (also fits 3126/3840, same mainspring).
Q3: What power reserve after replacement? 60 hours.
Fast worldwide shipping within 3 business days.
Competitive pricing on Seiko/Hattori calibers.
3,000+ watch movements and parts in stock.
Trusted by watchmakers worldwide.
Personalized sourcing support via [email protected] or WhatsApp +86 18620212114.
